Pesticide resistance in onion thrips

Onion thrips is the most important insect pest of onion and if uncontrolled can reduce yield, damage bulb skins, and transmit damaging virus diseases. There is evidence that thrips populations in many onion growing districts is developing.

This Primefact outlines the reasons why pesticide resistance develops, and how to minimise the risk of developing pesticide resistance in onion thrips.